大学物理 ›› 2008, Vol. 27 ›› Issue (3): 39-39.

• 著者文摘 • 上一篇    下一篇

用计算机实测变音钟受击发音频谱与温度的关系

陈东生[1] 马民勋[1] 张素材[1] 宦强[2]   

  1. [1]上海电力学院数理系,上海200090 [2]华东师范大学物理系,上海200062
  • 出版日期:2008-03-25 发布日期:2008-03-20

The relationship study of the frequency and temperature of a variable bell using the PC

  • Online:2008-03-25 Published:2008-03-20

摘要: 利用计算机声卡接口与微型麦克风采集变音钟在不同温度下的声音信号,并对所得的信号进行分析,研究其振动谱、幅度谱等,使学生对变音钟的发音机理有一个更深刻的了解.

关键词: 虚拟仪器, 变音钟, 幅度谱, 振动谱

Abstract: The relationship between the frequency and temperature of a variable bell is studied by computer.

Key words: virtual instrument, clock with varied sound, magnitude, phase

中图分类号: 

  • O4-34